Re: [PATCH 3/3] [v3] lib/vsprintf: debug_never_hash_pointers prints all addresses as unhashed

[Timur Tabi]

On 2/11/21 11:53 AM, Petr Mladek wrote:
> I would really like to make it clear here that it is not only about
> consoles. Most people will see only this message. Only few people read
> documentation. Many people will learn the parameter name from another
> context by googling.
>
> I know that it is not easy to find good words. Especially because
> pointers printed by %pK might still be hashed.
>
> > +	pr_warn("**                                                      **\n");
> > +	pr_warn("** Kernel memory addresses are exposed, which may       **\n");
> > +	pr_warn("** reduce the security of your system.                  **\n");

> What about replacing the first two paragraphs with something like:
>
> "This system shows unhashed kernel memory addresses via logs and
>   other interfaces. It might reduce the security of your system."

That works, thanks.  I'll post a v4 soon.